Please provide any background information regarding Medicine Master Dou in Naruto.

" Naruto: The Strongest Dominator " is a light novel written by the author. It's a derivative Doujinshi novel. The general plot of this novel is as follows: He had transmigrated to the Naruto World and became one of the three major families of the Koba family. His eyes had changed and he had gained the ability to look into his own body. He had the ability to control everything in his body while looking into his own body. He had accidentally discovered the secret of his ancestor and had embarked on a different path from the Six Paths Immortal. His new book," From the beginning of treating Naruto's illness," had been uploaded! If you like it, you can pay attention to it... ---------------------------- The book," Behind-the-scenes from the Ninja Realm," was a light novel, a derivative doujinshi novel, written by the author, Ordinary People Not Vulgar. The general plot of the novel was as follows: When Chiba arrived at the Naruto World, she found that the plot had already reached the day before Naruto was born. Just as he was about to leave with his bag, he became invincible. ---------------------------- Naruto Ninjutsu Primogenitor was a light novel written by the author, Twenty-Two. The general plot of the novel was: A member of the Spirit-Piercing Whirlpool Clan, an experimental subject of Orochimaru, a cheat in his brain, a massive amount of chakras, excellent physical fitness, Wind, Fire, Thunder, Water, Earth Evasion, Ninjutsu? Whirlpool Lotus Flower: Hehe, what's mine is mine, and what's yours is still mine! ---------------------------- Naruto the Genius was a light novel written by the author, Wen Kunlun. It was a doujinshi derivative novel. The general plot of the novel was: A fan of Naruto had transmigrated to the world of Naruto and became the protagonist, Naruto. The genius protagonist who was familiar with Naruto's plot had embarked on an unusual path. Xiao? Five hidden? What was this? The use of ninjutsu could be ever-changing, and there was no end to the development of ninjutsu. The most important thing was talent and hard work! ---------------------------- " Naruto: This Uchiha Wants to Return to the Ancestral Ones, Otsuki " was a light novel, a derivative doujinshi novel, written by the author. The general plot of this novel was: The keywords were Uchiha Uchi, a special ninja with a genetic fusion ability, and his teacher was a cold-blooded researcher, Orochimaru. After transmigrating to the Naruto World, he had to live a cautious life in order to protect himself during his weak period. Until the night of the Nine-Tailed Night, everything went according to the script. Uchiha Uchi made a shocking decision. " This bastard Kanye's higher-ups are always trying to destroy the Uchiha clan. I have to strike first!" Therefore, he came to the Graveyard of Mountains, Uchiha's base, and seized the inheritance of his ancestor. Starting from fusing with the genes of the Outer Dao Golem, he reverted to the ancestral tree bloodline. All living beings of the Ninja Realm submit to my supreme might! ---------------------------- Naruto: The Way of the Super Hero was a light novel by the author, Taizumi. The general plot of the novel was: When he arrived at the Naruto World, he was summoned by the third generation Naruto. Third Generation: Do you know ninjutsu? Duan Zang: No. [Third Generation: Does he know illusions?] Duan Zang still didn't know. [Third Generation: Bodywork?] Duan Zang: A little. ------ Iruka: Duan Zang, what is your dream? Duan Zang: The man who became Naruto. P.S. 1: Everyone says that the spiraling pill is awesome, but have you heard of the 30% return to vitality? ---------------------------- " I'm Naruto Alchemy " was a light novel by the author, Wang Shunfeng's Ear. The general plot of this novel was: Not strong enough? Give me a pill, I guarantee that your strength will surpass Bright Night! No chakra? Give me a pill and I guarantee that you'll instantly be revived with full blue! Seriously injured? Give me a pill, I guarantee that you will be as good as new after eating it! You don't know ninjutsu? Give me a pill and I guarantee you'll become a ninjutsu doctor! Not enough attributes? Give me a pill, I guarantee you'll rise straight to the Blood Successor Net! This was a story of transmigrating into Medicine Master Dou and concocting pills in the Naruto World. ---------------------------- Naruto: The Strongest Teacher was a light novel written by the author, Qing Buyu. The general plot of the novel was: After experiencing the betrayal of the person he trusted the most, he accidentally broke into a ninja world and became a glorious ninja teacher. " My name is Iruka Umino. From today onwards, I will be your class teacher!" He was the first teacher of the nine Koba Ninjas who had made a name for themselves in the entire Ninja Realm in just two years. He was also the most powerful ninja teacher in the history of the Ninja Realm. New book," The Global Summoning Begins from Uchiha " ---------------------------- " Naruto: Defying the Heavens and Changing Fate " was a light novel by author Zhou Julan, a derivative doujinshi novel. The general plot of this novel was: For unknown reasons, Naruto's loyal fans who retained all their memories had transmigrated to the Naruto world and became Naruto Uzuzumaki, the son of prophecy who could bring change to the world. When he was young, he met and accepted the tragedy that had not been exterminated. After Uchiha Sasuke's personality was distorted, Naruto resolutely changed his initial idea of moving steadily and following the original historical development track! With the help and support of the Nine-Tailed Demon Fox and the Nine Lamas, who had already completely trusted each other in their bodies, they destroyed the group, subdued Orochimaru, and fought against the Xiao organization…They became enemies with fate, just to break the fate of death for their companions! Welcome to group 1, group number: 307685821. ---------------------------- " The Throne from Naruto " was a light novel written by Bai Tianbai, a derivative doujinshi novel. The general plot of the novel was: After putting on his Imperial God Robe, Uchiha Yuusuke looked down at Koba's ninjas." As Naruto, I hereby announce the start of the Fourth Battle of Ninja Realm!" In the world of Naruto, he was the sixth generation Naruto who had pacified the chaotic world. In the world of the Grim Reaper, he was the one who changed the Corpse Soul World. In the pirate world, he was the pirate king who conquered the great sea route.